Napa Co. fire now 85% contained; cause remains under investigation, CAL FIRE says

NAPA, Calif. -- The Old Fire that has burned 570 acres in Napa County just north of Napa is at 85% containment, according to Cal Fire.

The video in the media player above is from a previous report.

Crews are currently in the "mop up" stage, which they expect to go well due to favorable weather conditions.

RELATED: Napa County residents remember horrific 2017 blaze as Old Fire continues to burn

The Old Fire broke out on Tuesday around 3:35 p.m. and had reached 570 acres by 9 p.m. It caused air advisories, evacuations and road closures but no structures or other property were damaged.

Investigators are still determining the cause of the fire.

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